Analysis

  • max time kernel
    144s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-05-2024 00:03

General

  • Target

    377e316a062c6cff6425612a2c8f6b80_NEAS.exe

  • Size

    82KB

  • MD5

    377e316a062c6cff6425612a2c8f6b80

  • SHA1

    66617252e790f304fe7a8febcd3232f717e9705f

  • SHA256

    39bac9467a584b792d3f62df1f52befb5d6653e6c016a10ae88ad83833ec63ea

  • SHA512

    a649b32c9a6b5c46ff935f091b947e659c59291be3339f8d4a750521b4ac78f134063685760d4ceb3dde0dc52b9fa1ae664faf13a01dfd87860f832a4e2217ff

  • SSDEEP

    1536:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBfWafHNqk:vCjsIOtEvwDpj5H9YvQd2V

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\377e316a062c6cff6425612a2c8f6b80_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\377e316a062c6cff6425612a2c8f6b80_NEAS.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:676
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=1424 --field-trial-handle=2180,i,12780723798465539942,12010519452607841069,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4636

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\misid.exe

      Filesize

      82KB

      MD5

      71d59f58bc47c853df9e3d292735c8de

      SHA1

      089de2aeb158bb85fe27e7affe973cdb8af074bd

      SHA256

      ba1c19b132538dd01956dd39f87645e2779bc448bebb277d7d3e5dbc417bc0a3

      SHA512

      e54a7abe2e8fd6c60a1281e02d8824032f0833db5cbcdaf9f80b07bc200d57dc74e0d3d83c5c56a70dfc16e7b76c762414c6fddc7241e611350e912876ae9734

    • C:\Users\Admin\AppData\Local\Temp\misids.exe

      Filesize

      315B

      MD5

      a34ac19f4afae63adc5d2f7bc970c07f

      SHA1

      a82190fc530c265aa40a045c21770d967f4767b8

      SHA256

      d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

      SHA512

      42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

    • memory/676-23-0x00000000006A0000-0x00000000006A6000-memory.dmp

      Filesize

      24KB

    • memory/676-17-0x0000000002070000-0x0000000002076000-memory.dmp

      Filesize

      24KB

    • memory/1072-0-0x00000000005F0000-0x00000000005F6000-memory.dmp

      Filesize

      24KB

    • memory/1072-1-0x00000000005F0000-0x00000000005F6000-memory.dmp

      Filesize

      24KB

    • memory/1072-2-0x0000000000610000-0x0000000000616000-memory.dmp

      Filesize

      24KB